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Parse.com是否可以创建的通道数有限制？

[英]does Parse.com have a limit on the number of channels that can be created?

原文 2015-10-09 05:19:05 9 2 android/ ios/ parse-platform/ push-notification

Is there any limit on the number of channels that can be created on Parse ? 在Parse上可以创建的通道数量是否有限制？ for example if i were to build a group chat application and each group resembles a channel, how many such groups can be created ? 例如，如果我要构建一个群组聊天应用程序，并且每个群组都类似于一个频道，那么可以创建多少个此类群组？ Is there any upper limit ? 有上限吗？

Also is there a limit on the number of people who can subscribe to a particular channel ? 可以订阅特定频道的人数也有限制吗？

TIA TIA

2 个解决方案

This query is already answered on forum of Parse.com . 该查询已在Parse.com的论坛上得到解答。

Q. Is there a limit on the number of channels an Installation can be subscribed to? 问：可以订阅安装的频道数量有限制吗？

Ans : There's no specific limit on how many channels an installation can subscribe to, other than the max size of the Installation object itself which is 128 KB. 回答：安装对象可以订阅的频道没有特定的限制，除了安装对象本身的最大大小为128 KB。 If you're worried about using too many channels, it's likely that your problem is better solved with advanced targeting. 如果您担心使用过多渠道，则可以通过高级定位更好地解决您的问题。

Q. What is the max number of channels one can pass in for Push Notifications using REST API? 问：使用REST API可以为推送通知传递的最大通道数是多少？

Ans : There's no hard limit on how many channels you can specify. 回答：您可以指定多少个频道没有硬性限制。 You can also use advanced targeting in place of channels for finer grained control. 您也可以使用高级定位代替渠道，以进行更精细的控制。

Here provided links for both the queries on forum : 这里提供了论坛上两个查询的链接：

https://www.parse.com/questions/what-is-the-max-number-of-channels-one-can-pass-in-for-push-notifications-using-rest-api https://www.parse.com/questions/what-is-the-max-number-of-channels-one-can-pass-in-for-push-notifications-using-rest-api

https://www.parse.com/questions/is-there-a-limit-on-the-number-of-channels-an-installation-can-be-subscribed-to https://www.parse.com/questions/is-there-a-limit-on-the-number-of-channels-an-installation-can-subscribed-to

Hope it helps. 希望能帮助到你。

Thanks..!! 谢谢..！！

Nope, there's no limit on channels. 不，频道没有限制。

I wanted to let you know that you can now push directly to a user on iOS, provided you are sending notifications via the REST API. 我想告诉您，现在您可以直接通过iOS推送给用户，前提是您要通过REST API发送通知。 This blog post has more information: http://blog.parse.com/2012/07/06/pushing-to-queries-in-ios/ . 该博客文章具有更多信息： http : //blog.parse.com/2012/07/06/pushing-to-queries-in-ios/ 。 You can also target push notifications by device token, geographical region, or according to any other data that you store on a per-device basis. 您还可以按设备令牌，地理区域或根据每个设备存储的任何其他数据来确定推送通知的目标。

For your info : 为您的信息：